APA (7th ed.) Citation

Robertson, C. E., & Smith, D. C. (1981). Coal resources and reserves of Missouri. Missouri Dept. of Natural Resources, Division of Geology and Land Survey.

Chicago Style (17th ed.) Citation

Robertson, Charles E., and David C. Smith. Coal Resources and Reserves of Missouri. Rolla, Mo.: Missouri Dept. of Natural Resources, Division of Geology and Land Survey, 1981.

MLA (9th ed.) Citation

Robertson, Charles E., and David C. Smith. Coal Resources and Reserves of Missouri. Missouri Dept. of Natural Resources, Division of Geology and Land Survey, 1981.